Which answer choice BEST describes the opposing viewpoints that led to the Missouri Compromise? * O Northern states opposed admitting any new States into the Union because they did not want to give slave states more power in Congress, slave states argued that it was unfair and undemocratic to deny States the right to choose for themselves whether to allow slavery Northern states opposed admitting Missouri as a slave state because Maine had been O prohibited from joining the Union as a free state, slave states argued that allowing both States to join the union would maintain the balance of power in Congress. Northern states believed that slavery should be illegal in all states and also outlawed 0 Across the Nation, slave states argued that all states should have the right to determine whether they wanted to allow or forbid slavery. Northern states believed permitting more slave states to join the union would encourage more slaves to rebel in the West and South, slave states argued allowing more slave states would prevent any further rebellions.